BUY LTC690IS8 https://www.utsource.net/itm/p/12611888.html
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | Vcc | Operating | 2.7 | 5.5 | V | |
| Output Frequency | fOUT | Hz | ||||
| Duty Cycle | D | 0.1 | 0.9 | |||
| Power Consumption | ICC | Vcc = 3V | 60 | μA | ||
| Propagation Delay | tPD | 10 | ns | |||
| Operating Temperature | Toper | -40 | 85 | °C |
Power Supply Connection: Connect the supply voltage (Vcc) between 2.7V and 5.5V to the Vcc pin. Ensure a stable power supply to avoid fluctuations affecting the output frequency.
Frequency Setting: The output frequency (fOUT) can be set using external resistors or capacitors depending on the specific application requirements. Refer to the datasheet for detailed formulas relating component values to frequency settings.
Duty Cycle Adjustment: Adjust the duty cycle within the range of 0.1 to 0.9 as required by your application. This can typically be done through additional external components or configuration bits, depending on the device version.
Minimize Power Consumption: Keep the supply voltage at the lower end of the operating range if minimizing power consumption is crucial, as the typical current consumption (ICC) is around 60μA at 3V.
Propagation Delay Consideration: Account for a propagation delay (tPD) of approximately 10ns in timing-sensitive applications.
Operating Temperature Range: Ensure that the device operates within the temperature range of -40°C to 85°C to maintain reliability and performance.
Layout Recommendations: Follow good PCB layout practices to minimize noise and parasitic effects, especially when dealing with high-frequency signals.
Note: For precise details and advanced configurations, refer to the official LTC690IS8 datasheet provided by the manufacturer.
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